Method of removing impurities from a gas

United States of America Patent

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Jan 27, 2009
Grant Date
Feb 8, 2007
app pub date
Aug 7, 2006
filing date
Aug 8, 2005

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Expired

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Abstract

The present invention provides for a method and apparatus for purifying carbon dioxide. Sulfur species are efficiently and effectively removed from the carbon dioxide by a series of steps which include heater/heat exchange means, impurity adsorption means and cooling means.

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THE BOC GROUP, INC.

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Inventor Name	Address	# of filed Patents	Total Citations
Chen, YuDong	Bridgewater, US	39	323
Jain, Ravi	Bridgewater, US	175	4204

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Method of removing impurities from a gas

Number of patents in Portfolio can not be more than 2000

United States of America Patent

11500129

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PATENT NO	7481985
APP PUB NO	20070031309A1
SERIAL NO	11500129
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
January 27, 2009	US,7481985,B2 US7481985B2	GRANTED PATENT AS SECOND PUBLICATION
February 08, 2007	US,20070031309,A1 US20070031309A1	FIRST PUBLISHED PATENT APPLICATION

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11500129

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